#624FBB
Closest named color: Iris (#6258C4). oklch(50.5% 0.163 287.1), rgb(98, 79, 187).
Aa
White text reads best on this color (6.25:1).
About this color
#624FBB is a medium-dark, vivid purple. In OKLCH its lightness is 50%, its chroma 0.163 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.025 away. White text reads best on it, at 6.25:1.
| Hue family | Purples |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.163) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.35:1 |
| White text | 6.25:1 |
Values
| HEX | #624FBB |
| RGB | rgb(98, 79, 187) |
| HSL | hsl(251, 44%, 52%) |
| OKLCH | oklch(50.5% 0.163 287.1) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #624FBB | 6.25:1 | AA | Lc -86.0 | Fine for body text |
| Black text on #624FBB | 3.35:1 | AA large text | Lc 23.2 | Dividers and decoration only |
| #624FBB text on white | 6.25:1 | AA | Lc 80.9 | Fine for body text |
| #624FBB text on black | 3.35:1 | AA large text | Lc -21.0 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 700.
-
Step 50
50
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#E8E8F9
oklch(93.6% 0.023 286)
-
Step 200
200
#D6D5F5
oklch(88.4% 0.044 286.9)
-
Step 300
300
#BDB9F2
oklch(80.9% 0.08 287.7)
-
Step 400
400
#9C93EB
oklch(70.7% 0.127 287.4)
-
Step 500
500
#8576E5
oklch(63.1% 0.162 287)
-
Step 600
600
#705CD3
oklch(55.6% 0.176 286.9)
-
Step 700
700 (this color)
#624FBB
oklch(50.5% 0.163 287.1)
-
Step 800
800
#4D3E94
oklch(42.7% 0.136 287.2)
-
Step 900
900
#3F3676
oklch(37.7% 0.106 286.6)
-
Step 950
950
#252045
oklch(27% 0.067 287.2)
#624FBB with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #0063BF | 0.092 |
| Deuteranopia (no green cones) | #005DB9 | 0.091 |
| Tritanopia (no blue cones) | #44677D | 0.136 |
| Achromatopsia (no color) | #606060 | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #624FBB
#624FBB
oklch(50.5% 0.163 287.1)
- #6C6800
#6C6800
oklch(50.5% 0.108 107.1)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #624FBB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.025
- Bluey Purple #6241C7 ΔE 0.036
- Slate Blue #6A5ACD ΔE 0.040
- Light Indigo #6D5ACF ΔE 0.044
- Dark Periwinkle #665FD1 ΔE 0.050
- Blue With A Hint Of Purple #533CC6 ΔE 0.054
- Blurple #5539CC ΔE 0.060
- Warm Blue #4B57DB ΔE 0.060
Use #624FBB in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.